31442114205250 has 128 divisors (see below), whose sum is σ = 67781641674240. Its totient is φ = 10697916672000.

The previous prime is 31442114205217. The next prime is 31442114205277. The reversal of 31442114205250 is 5250241124413.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 781325130 + ... + 781365370.

It is an arithmetic number, because the mean of its divisors is an integer number (529544075580).

Almost surely, 2^{31442114205250} is an apocalyptic number.

31442114205250 is an abundant number, since it is smaller than the sum of its proper divisors (36339527468990).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31442114205250 is a wasteful number, since it uses less digits than its factorization.

31442114205250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43661 (or 43651 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 34.

Adding to 31442114205250 its reverse (5250241124413), we get a palindrome (36692355329663).

The spelling of 31442114205250 in words is "thirty-one trillion, four hundred forty-two billion, one hundred fourteen million, two hundred five thousand, two hundred fifty".